可以使它在C#中工作:
C#的App.config:
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<configSections>
<section name="unity" type="Microsoft.Practices.Unity.Configuration.UnityConfigurationSection, Microsoft.Practices.Unity.Configuration"/>
</configSections>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
</startup>
<unity xmlns="http://schemas.microsoft.com/practices/2010/unity">
<alias alias="myAlias" type="UnityCSharp.ILogger, UnityCSharp" />
<container>
<register type="myAlias" mapTo="UnityCSharp.Logger, UnityCSharp" />
<register type="myAlias" mapTo="UnityCSharp.SpecialLogger, UnityCSharp" name="special" />
</container>
</unity>
</configuration>
C#:
using System;
using Microsoft.Practices.Unity;
using Microsoft.Practices.Unity.Configuration;
namespace UnityCSharp
{
public interface ILogger { string SayHello(); }
public class Logger : ILogger { public string SayHello() { return "hello"; } }
public class SpecialLogger : ILogger { public string SayHello() { return "special hello"; } }
class Program
{
static void Main(string[] args)
{
var container = new UnityContainer().LoadConfiguration();
Console.WriteLine(container.Resolve<ILogger>().SayHello()); // --> "hello"
Console.WriteLine(container.Resolve<ILogger>("special").SayHello()); // --> "special hello"
Console.ReadLine();
}
}
}
但是不能在F#中重复它(再次使用控制台应用程序,名为UnityFSharp,相同的NuGet和System.Configuration引用)。
F#的App.config:
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<configSections>
<section name="unity" type="Microsoft.Practices.Unity.Configuration.UnityConfigurationSection, Microsoft.Practices.Unity.Configuration"/>
</configSections>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
</startup>
<unity xmlns="http://schemas.microsoft.com/practices/2010/unity">
<alias alias="myAlias" type="UnityFSharp.ILogger, UnityFSharp" />
<container>
<register type="myAlias" mapTo="UnityFSharp.Logger, UnityFSharp" />
<register type="myAlias" mapTo="UnityFSharp.SpecialLogger, UnityFSharp" name="special" />
</container>
</unity>
</configuration>
F#:
open System;
open Microsoft.Practices.Unity
open Microsoft.Practices.Unity.Configuration
type ILogger = abstract SayHello : unit -> string
type Logger() = interface ILogger with member x.SayHello () = "hello"
type SpecialLogger() = interface ILogger with member x.SayHello () = "special hello"
[<EntryPoint>]
let main argv =
let container = (new UnityContainer()).LoadConfiguration() // CRASHES HERE
Console.WriteLine (container.Resolve<ILogger>().SayHello()) // --> "hello"
Console.WriteLine (container.Resolve<ILogger>("special").SayHello()) // --> "special hello"
Console.ReadLine() |> ignore
0
将失败:
无法解析类型名称或别名myAlias。请检查 您的配置文件并验证此类型名称。
我理解这些命名在F#中有所不同(http://ilspy.net/截图如下)。 但是我怎么能让它发挥作用呢? 我尝试了各种F#模块,命名空间和App.config版本。 只有一个工作的例子会有帮助! (我可以重组我的F#)
答案 0 :(得分:2)
这里定义类型的方式,它们编译成名为
的类型Program+ILogger
Program+Logger
Program+SpecialLogger
因为它们是在Program
模块中定义的。
一个选项是编辑配置文件以匹配名称:
<alias alias="myAlias" type="Program+ILogger, UnityFSharp" />
<container>
<register type="myAlias" mapTo="Program+Logger, UnityFSharp" />
<register type="myAlias" mapTo="Program+SpecialLogger, UnityFSharp" name="special" />
</container>
我认为这样做的方法是在程序崩溃之前为程序添加一行:
Console.WriteLine typeof<ILogger>
如果您不喜欢这些模块名称,可以将这些类型放在适当的名称空间中:
namespace Ploeh.Samples
type ILogger = abstract SayHello : unit -> string
type Logger() = interface ILogger with member x.SayHello () = "hello"
type SpecialLogger() = interface ILogger with member x.SayHello () = "special hello"
但是,这将涉及将它们放在单独的文件中,因为main
模块中定义了Program
函数。使用上面的命名空间,名称变为:
Ploeh.Samples.ILogger
Ploeh.Samples.Logger
Ploeh.Samples.SpecialLogger